GM Service Manual Online
For 1990-2009 cars only
Fob 1 Battery: The scan tool displays OK to indicate a good battery voltage level was last recieved.

Fob 2 Battery: The scan tool displays OK to indicate a good battery voltage level was last recieved.

Fob 3 Battery: The scan tool displays OK to indicate a good battery voltage level was last recieved.

Fob 4 Battery: The scan tool displays OK to indicate a good battery voltage level was last recieved.

Last Fob Button Pressed: The scan tool displays Dr. Door Unlock, All Door Unlock, Door Lock, indicating the last input received from a programmed fob.

Last Fob Used: The scan tool displays FOB 1-4 to indicate the number of the last transmitter used

Fob 1 Programmed: The scan tool displays Yes/No. The scan tool displays Yes if a transmitter is programmed to this numeric position.

Fob 2 Programmed: The scan tool displays Yes/No. The scan tool displays Yes if a transmitter is programmed to this numeric position.

Fob 3 Programmed: The scan tool displays Yes/No. The scan tool displays Yes if a transmitter is programmed to this numeric position.

Fob 4 Programmed: The scan tool displays Yes/No. The scan tool displays Yes if a transmitter is programmed to this numeric position.